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    Results 1-50 of 51.
    WATTS PROTONODE-LER

    WATTS

    AERCO

    PROTONODE-LER

    DISCONTINUED BY MANUFACTURER, CONVERTER, GATEWAY, LONWORKS, PROTOCESSOR, FOR INTERFACING AERCO EQUIPMENT TO BUILDING AUTOMATION SYSTEM, (64085)
    Buy Surplus As Low As $324.00
    $324.00
    Repair Yours $270.00
    AERCOLOGY MODEL-500

    AERCOLOGY

    MODEL-500

    SMOKEBUSTER AIR FILTRATION SYSTEM 115V 60HZ
    Buy Surplus As Low As $468.00
    $468.00
    Repair Yours $390.00
    AERCOLOGY MODEL E-300

    AERCOLOGY

    MODEL E-300

    DISCONTINUED BY MANUFACTURER, AIR FILTRATION SYSTEM 115V 60HZ
    Buy Surplus As Low As $1,050.00
    $1,050.00
    Repair Yours $880.00
    WATTS M6701346

    WATTS

    AERCO

    M6701346

    VALVE Y-STRAINER BRONZE 2IN
    Buy Surplus As Low As $210.00
    $210.00
    Repair Yours $200.00
    WATTS GP-122783

    WATTS

    AERCO

    GP-122783

    CONTROLLER, BOILER MANAGEMENT SYSTEM, 4 TO 20 MA REMOTE SETPOINT, INDOOR/OUTDOOR RESET, CLOSED LOOP SYSTEM, SEQUENTIAL/PARALLEL OPERATION, BUMPLESS TRANSFER, AUTOMATIC LOAD DISTRIBUTION, RUN ...
    $23,055.00 Buy Surplus As Low As $13,833.00
    $13,833.00
    Repair Yours $11,501.00
    WATTS GP-122464

    WATTS

    AERCO

    GP-122464

    IGNITION TRANSFORMER
    $300.00 Buy Surplus As Low As $180.00
    $180.00
    WATTS GP-122406

    WATTS

    AERCO

    GP-122406

    GAS TRANE O-RINGS
    $2.52 Buy Surplus As Low As $1.51
    $1.51
    WATTS FPC-N34-1390

    WATTS

    AERCO

    FPC-N34-1390

    SERIAL-ETHERNET PROTONODE, 9-30VDC, 12-24VAC
    Buy Surplus As Low As $210.00
    $210.00
    Repair Yours $200.00
    WATTS FPC-N34

    WATTS

    AERCO

    FPC-N34

    DISCONTINUED BY MANUFACTURER, MODEM, SERIAL ETHERNET, 3 PORTS, RS-485,ETHERNET, RS-485
    Buy Surplus As Low As $170.00
    $170.00
    WATTS BCSV-1

    WATTS

    AERCO

    BCSV-1

    DISCONTINUED BY MANUFACTURER, CONTROL BOC, FLAME CONTROLLER
    ✓ IN STOCK!
    Buy Surplus As Low As $1,455.00
    $1,455.00
    Repair Yours $1,196.00
    WATTS BCSH-1

    WATTS

    AERCO

    BCSH-1

    BOILER CONTROL
    Buy Surplus As Low As $276.00
    $276.00
    Repair Yours $230.00
    WATTS 92036

    WATTS

    AERCO

    92036

    1" GASVALVE ALUMBODY
    $1,389.00 Buy Surplus As Low As $834.00
    $834.00
    WATTS 69170

    WATTS

    AERCO

    69170

    DISCONTINUED BY MANUFACTURER, ACTUATOR, FOR USE WITH BOILER / WATER HEATER, REPLACES 69009
    ✓ IN STOCK!
    Buy Surplus As Low As $1,950.00
    $1,950.00
    Repair Yours $1,619.00
    WATTS 69151

    WATTS

    AERCO

    69151

    CONTROL BOARD, FOR BOILER, I/O CONTROL, BOARD ONLY, STAND-OFF MOUNT
    $1,845.00 Buy Surplus As Low As $1,108.00
    $1,108.00
    Repair Yours $893.00
    WATTS 69126

    WATTS

    AERCO

    69126

    LOW WATER CUTOFF CAPACITOR KIT, 250 V,
    $543.00 Buy Surplus As Low As $326.00
    $326.00
    WATTS 69009

    WATTS

    AERCO

    69009

    DISCONTINUED BY MANUFACTURER, ACTUATOR, FOR USE WITH BOILER / WATER HEATER, REPLACED BY 69170
    Buy Surplus As Low As $909.00
    $909.00
    Repair Yours $747.00
    WATTS 64088

    WATTS

    AERCO

    64088

    DIGITAL BOILER AND WATER HEATER CONTROL
    $1,167.00 Buy Surplus As Low As $701.00
    $701.00
    Repair Yours $582.00
    WATTS 64048

    WATTS

    AERCO

    64048

    SSOV ACTUATOR W/REG
    $2,582.00 Buy Surplus As Low As $1,550.00
    $1,550.00
    WATTS 64047

    WATTS

    AERCO

    64047

    BOILER AND WATER HEATER ACTUATOR
    $1,980.00 Buy Surplus As Low As $1,188.00
    $1,188.00
    Repair Yours $987.00
    WATTS 63501050

    WATTS

    AERCO

    63501050

    IGNITION TRANSFORMER, 120 VAC PRIMARY, DUAL 14KV SECONDARY
    $459.00 Buy Surplus As Low As $276.00
    $276.00
    WATTS 61047

    WATTS

    AERCO

    61047

    TEMPERATURE SENSOR, OUTDOOR, FOR BOILER AND WATER HEATER
    $767.00 Buy Surplus As Low As $461.00
    $461.00
    Repair Yours $383.00
    WATTS 61040

    WATTS

    AERCO

    61040

    TEMPERATURE SENSOR
    $81.00 Buy Surplus As Low As $49.00
    $49.00
    Repair Yours $200.00
    WATTS 61030

    WATTS

    AERCO

    61030

    WATER OUTLET TEMPERATURE SENSOR
    $793.00 Buy Surplus As Low As $476.00
    $476.00
    Repair Yours $396.00
    WATTS 61002-14

    WATTS

    AERCO

    61002-14

    AERCO BLOWER PROVE SWITCH
    $108.00 Buy Surplus As Low As $65.00
    $65.00
    Repair Yours $200.00
    WATTS 61002-1

    WATTS

    AERCO

    61002-1

    LOW GAS PRESSURE SWITCH, 2.6 WC
    $156.00 Buy Surplus As Low As $94.00
    $94.00
    Repair Yours $200.00
    WATTS 60406137

    WATTS

    AERCO

    60406137

    SHAPED BRACKET 67X54X36
    $33.00 Buy Surplus As Low As $20.00
    $20.00
    WATTS 58086-01

    WATTS

    AERCO

    58086-01

    MLX EXT 321 MAINTENANCE KIT
    $291.00 Buy Surplus As Low As $175.00
    $175.00
    WATTS 58019-11

    WATTS

    AERCO

    58019-11

    FIRESIDE INSPECTION KIT
    $1,423.00 Buy Surplus As Low As $854.00
    $854.00
    WATTS 58019-10

    WATTS

    AERCO

    58019-10

    INSPECTION KIT
    $1,227.00 Buy Surplus As Low As $737.00
    $737.00
    WATTS 24311-4

    WATTS

    AERCO

    24311-4

    AIR FUEL VALVE
    $5,101.00 Buy Surplus As Low As $3,061.00
    $3,061.00
    WATTS 20921-BMS

    WATTS

    AERCO

    20921-BMS

    DISCONTINUED BY MANUFACTURER, BOILER CONTROL PANEL, 3/4 AMP, 250 VAC
    Buy Surplus As Low As $1,620.00
    $1,620.00
    Repair Yours $1,250.00
    WATTS 20921

    WATTS

    AERCO

    20921

    HOT WATER BOILER CONTROL PANEL,KC SERIES, 3/4AMP, 250VAC
    Buy Surplus As Low As $1,740.00
    $1,740.00
    Repair Yours $1,450.00
    WATTS 20890

    WATTS

    AERCO

    20890

    BOILER CONTROL MODULE 3/4AMP 250VAC
    $1,590.00 Buy Surplus As Low As $954.00
    $954.00
    Repair Yours $806.00
    WATTS 201212

    WATTS

    AERCO

    201212

    VALVE, FUEL/AIR MIXTURE, 2 INCH NPT, FULL PORT BALL VALVE, 28-32 VDC/ 22-26 VAC, BRUSHLESS DC DRIVEN MOTOR, POSITION INDICATOR, CYCLING AND STANDBY LOSS, FOR USE WITH BOILER 24309, BENCHMARK ...
    $6,405.00 Buy Surplus As Low As $3,843.00
    $3,843.00
    Repair Yours $3,097.00
    WATTS 18557-1

    WATTS

    AERCO

    18557-1

    PNEUMATIC TEMPERATURE CONTROL, TSTAT, RA-20/240, 65 AMP, 120 V, 60 HZ, 40 WATT.
    $4,555.00 Buy Surplus As Low As $2,734.00
    $2,734.00
    WATTS 181198

    WATTS

    AERCO

    181198

    BOILER CONTROL BOX ASSEMBLY
    $4,134.00 Buy Surplus As Low As $2,481.00
    $2,481.00
    Repair Yours $2,067.00
    WATTS 161558

    WATTS

    AERCO

    161558

    POWER BOX ASSEMBLY 208V 3PH
    $1,537.00 Buy Surplus As Low As $923.00
    $923.00
    Repair Yours $785.00
    WATTS 124943

    WATTS

    AERCO

    124943

    CONVERTER, BMS RS232-RS485, FOR USE WITH EMS / BAS EQUIPMENT WITH RS485 PORT
    $801.00 Buy Surplus As Low As $481.00
    $481.00
    Repair Yours $400.00
    WATTS 124387

    WATTS

    AERCO

    124387

    PC RELAY BOARD, BOILER BECNHMARK 2.0
    Buy Surplus As Low As $144.00
    $144.00
    WATTS 124365

    WATTS

    AERCO

    124365

    DISCONTINUED BY MANUFACTURER 03/23/2023, DISPLAY BOARD, CONTROL PANEL VIEW
    Buy Surplus As Low As $218.00
    $218.00
    Repair Yours $200.00
    WATTS 124363-1

    WATTS

    AERCO

    124363-1

    LOW WATER CUTTOFF BOARD
    $681.00 Buy Surplus As Low As $409.00
    $409.00
    Repair Yours $340.00
    WATTS 124361-1

    WATTS

    AERCO

    124361-1

    IGST BOARD, IGNITION STEPPER BOARD
    $2,804.00 Buy Surplus As Low As $1,683.00
    $1,683.00
    Repair Yours $1,357.00
    WATTS 124244

    WATTS

    AERCO

    124244

    DISCONTINUED BY MANUFACTURER, INPUT OUTPUT BOARD, PCB ASSEMBLY, REPLACED BY 69151
    Buy Surplus As Low As $1,343.00
    $1,343.00
    Repair Yours $1,104.00
    WATTS 124136

    WATTS

    AERCO

    124136

    2" AERCO SSOV BODY
    $1,262.00 Buy Surplus As Low As $758.00
    $758.00
    WATTS 123966

    WATTS

    AERCO

    123966

    TEMPERATURE SWITCH, AUTO RESET,
    $360.00 Buy Surplus As Low As $216.00
    $216.00
    WATTS 123923

    WATTS

    AERCO

    123923

    IGNITOR ASSEMBLY
    $457.00 Buy Surplus As Low As $275.00
    $275.00
    WATTS 123652

    WATTS

    AERCO

    123652

    IGNITER REMOVAL TOOL FOR BOILER
    Buy Surplus As Low As $29.00
    $29.00
    WATTS 123550

    WATTS

    AERCO

    123550

    PC BOARD, FOR BOILER
    ✓ IN STOCK!
    Buy Surplus As Low As $129.60
    $129.60
    WATTS 123449

    WATTS

    AERCO

    123449

    EXHAUST TEMPERATURE SENSOR
    $287.00 Buy Surplus As Low As $173.00
    $173.00
    Repair Yours $200.00
    WATTS 123390

    WATTS

    AERCO

    123390

    PC BOARD, STATUS ANNUNCIATOR, USED TO MONITOR VENTILATION
    ✓ IN STOCK!
    $162.90 Buy Surplus As Low As $97.74
    $97.74
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